high idle

I have been having a heck of a time with these carbs and the running of my bike. I had a crazy post a year go about how the vent in my gas cap sent me down a rabbit hole that took months to resolve. Recently I have had a similar problem caused by me due to the collapse of the fuel line T mod I...

So I have a 1975 XS650 with a pair of Mikuni round slide carbs. It was at the point where it would idle but die as soon as I give it gas (unless the choke was on). When this happens I can hear a noise come from the carbs. I now have it to where it will maybe cough a little with the choke off...

So I am long time yamaha enthusiast...and I was actually given a 75 650 as a gift! I am a horrible mechanic and only know enough to confuse myself. The bike has been running great for the past week. Clutch started acting funny a couple days ago....nothing there until the very end of the handle...